Bump Coherence testing from 24.09.2 to 24.09.3

Author: rlubke

.github/workflows/validate.yml

@@ -29,7 +29,7 @@ jobs:
           - ",-jakarta,javax"
           - ",jakarta,-javax"
         exclude:
-          - coherenceVersion: 24.09.2
+          - coherenceVersion: 24.09.3
             profile: ",-jakarta,javax"
           - coherenceVersion: 22.06.11
             profile: ",jakarta,-javax"